Home / 458,962.17-688,280.34-134,659.75

Finding the Fourth Proportional to 458,962.17, 688,280.34 and 134,659.75

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Solution

The fourth proportional to 458,962.17, 688,280.34 and 134,659.75 is: 201,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,962.17 : 688,280.34 = 134,659.75 : x
  2. Step 2: Convert to fraction form
    458,962.17/688,280.34 = 134,659.75/x
  3. Step 3: Cross multiply
    458,962.17x = 688,280.34 × 134,659.75
  4. Step 4: Simplify right side
    458,962.17x = 92,683,657,831.65
  5. Step 5: Solve for x
    x = 92,683,657,831.65/458,962.17
  6. Step 6: Final answer
    x = 201,941.83

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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.