Home / 126,158.16-189,368.48-92,915.76

Finding the Fourth Proportional to 126,158.16, 189,368.48 and 92,915.76

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Solution

The fourth proportional to 126,158.16, 189,368.48 and 92,915.76 is: 139,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,158.16 : 189,368.48 = 92,915.76 : x
  2. Step 2: Convert to fraction form
    126,158.16/189,368.48 = 92,915.76/x
  3. Step 3: Cross multiply
    126,158.16x = 189,368.48 × 92,915.76
  4. Step 4: Simplify right side
    126,158.16x = 17,595,316,239.24
  5. Step 5: Solve for x
    x = 17,595,316,239.24/126,158.16
  6. Step 6: Final answer
    x = 139,470.30

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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.