Home / 166,543.90-249,729.45-61,308.70

Finding the Fourth Proportional to 166,543.90, 249,729.45 and 61,308.70

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Solution

The fourth proportional to 166,543.90, 249,729.45 and 61,308.70 is: 91,931.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,543.90 : 249,729.45 = 61,308.70 : x
  2. Step 2: Convert to fraction form
    166,543.90/249,729.45 = 61,308.70/x
  3. Step 3: Cross multiply
    166,543.90x = 249,729.45 × 61,308.70
  4. Step 4: Simplify right side
    166,543.90x = 15,310,587,931.22
  5. Step 5: Solve for x
    x = 15,310,587,931.22/166,543.90
  6. Step 6: Final answer
    x = 91,931.24

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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.