Home / 291,569.47-402,500.95-205,598.50

Finding the Fourth Proportional to 291,569.47, 402,500.95 and 205,598.50

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Solution

The fourth proportional to 291,569.47, 402,500.95 and 205,598.50 is: 283,821.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,569.47 : 402,500.95 = 205,598.50 : x
  2. Step 2: Convert to fraction form
    291,569.47/402,500.95 = 205,598.50/x
  3. Step 3: Cross multiply
    291,569.47x = 402,500.95 × 205,598.50
  4. Step 4: Simplify right side
    291,569.47x = 82,753,592,312.39
  5. Step 5: Solve for x
    x = 82,753,592,312.39/291,569.47
  6. Step 6: Final answer
    x = 283,821.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.