Home / 292,545.02-438,834.54-82,199.36

Finding the Fourth Proportional to 292,545.02, 438,834.54 and 82,199.36

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Solution

The fourth proportional to 292,545.02, 438,834.54 and 82,199.36 is: 123,303.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,545.02 : 438,834.54 = 82,199.36 : x
  2. Step 2: Convert to fraction form
    292,545.02/438,834.54 = 82,199.36/x
  3. Step 3: Cross multiply
    292,545.02x = 438,834.54 × 82,199.36
  4. Step 4: Simplify right side
    292,545.02x = 36,071,918,333.89
  5. Step 5: Solve for x
    x = 36,071,918,333.89/292,545.02
  6. Step 6: Final answer
    x = 123,303.82

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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.