Home / 166,272.48-249,492.12-77,532.96

Finding the Fourth Proportional to 166,272.48, 249,492.12 and 77,532.96

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Solution

The fourth proportional to 166,272.48, 249,492.12 and 77,532.96 is: 116,338.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,272.48 : 249,492.12 = 77,532.96 : x
  2. Step 2: Convert to fraction form
    166,272.48/249,492.12 = 77,532.96/x
  3. Step 3: Cross multiply
    166,272.48x = 249,492.12 × 77,532.96
  4. Step 4: Simplify right side
    166,272.48x = 19,343,862,560.28
  5. Step 5: Solve for x
    x = 19,343,862,560.28/166,272.48
  6. Step 6: Final answer
    x = 116,338.33

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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.