Home / 156,293.47-234,191.09-100,087.35

Finding the Fourth Proportional to 156,293.47, 234,191.09 and 100,087.35

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Solution

The fourth proportional to 156,293.47, 234,191.09 and 100,087.35 is: 149,971.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,293.47 : 234,191.09 = 100,087.35 : x
  2. Step 2: Convert to fraction form
    156,293.47/234,191.09 = 100,087.35/x
  3. Step 3: Cross multiply
    156,293.47x = 234,191.09 × 100,087.35
  4. Step 4: Simplify right side
    156,293.47x = 23,439,564,963.71
  5. Step 5: Solve for x
    x = 23,439,564,963.71/156,293.47
  6. Step 6: Final answer
    x = 149,971.49

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1.5x scale

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.