Home / 459,188.16-688,763.28-159,736.56

Finding the Fourth Proportional to 459,188.16, 688,763.28 and 159,736.56

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Solution

The fourth proportional to 459,188.16, 688,763.28 and 159,736.56 is: 239,598.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,188.16 : 688,763.28 = 159,736.56 : x
  2. Step 2: Convert to fraction form
    459,188.16/688,763.28 = 159,736.56/x
  3. Step 3: Cross multiply
    459,188.16x = 688,763.28 × 159,736.56
  4. Step 4: Simplify right side
    459,188.16x = 110,020,677,001.52
  5. Step 5: Solve for x
    x = 110,020,677,001.52/459,188.16
  6. Step 6: Final answer
    x = 239,598.24

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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.