Home / 403,023.65-604,609.28-166,237.16

Finding the Fourth Proportional to 403,023.65, 604,609.28 and 166,237.16

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Solution

The fourth proportional to 403,023.65, 604,609.28 and 166,237.16 is: 249,386.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,023.65 : 604,609.28 = 166,237.16 : x
  2. Step 2: Convert to fraction form
    403,023.65/604,609.28 = 166,237.16/x
  3. Step 3: Cross multiply
    403,023.65x = 604,609.28 × 166,237.16
  4. Step 4: Simplify right side
    403,023.65x = 100,508,528,520.91
  5. Step 5: Solve for x
    x = 100,508,528,520.91/403,023.65
  6. Step 6: Final answer
    x = 249,386.18

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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.