Home / 166,359.10-249,538.65-66,534.70

Finding the Fourth Proportional to 166,359.10, 249,538.65 and 66,534.70

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Solution

The fourth proportional to 166,359.10, 249,538.65 and 66,534.70 is: 99,802.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,359.10 : 249,538.65 = 66,534.70 : x
  2. Step 2: Convert to fraction form
    166,359.10/249,538.65 = 66,534.70/x
  3. Step 3: Cross multiply
    166,359.10x = 249,538.65 × 66,534.70
  4. Step 4: Simplify right side
    166,359.10x = 16,602,979,216.16
  5. Step 5: Solve for x
    x = 16,602,979,216.16/166,359.10
  6. Step 6: Final answer
    x = 99,802.05

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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.