Home / 358,681.12-537,820.76-166,349.36

Finding the Fourth Proportional to 358,681.12, 537,820.76 and 166,349.36

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Solution

The fourth proportional to 358,681.12, 537,820.76 and 166,349.36 is: 249,430.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,681.12 : 537,820.76 = 166,349.36 : x
  2. Step 2: Convert to fraction form
    358,681.12/537,820.76 = 166,349.36/x
  3. Step 3: Cross multiply
    358,681.12x = 537,820.76 × 166,349.36
  4. Step 4: Simplify right side
    358,681.12x = 89,466,139,220.71
  5. Step 5: Solve for x
    x = 89,466,139,220.71/358,681.12
  6. Step 6: Final answer
    x = 249,430.86

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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.