Home / 166,543.20-249,814.80-147,516.30

Finding the Fourth Proportional to 166,543.20, 249,814.80 and 147,516.30

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Solution

The fourth proportional to 166,543.20, 249,814.80 and 147,516.30 is: 221,274.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,543.20 : 249,814.80 = 147,516.30 : x
  2. Step 2: Convert to fraction form
    166,543.20/249,814.80 = 147,516.30/x
  3. Step 3: Cross multiply
    166,543.20x = 249,814.80 × 147,516.30
  4. Step 4: Simplify right side
    166,543.20x = 36,851,754,981.24
  5. Step 5: Solve for x
    x = 36,851,754,981.24/166,543.20
  6. Step 6: Final answer
    x = 221,274.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.