Home / 127,816.32-176,387.76-70,457.76

Finding the Fourth Proportional to 127,816.32, 176,387.76 and 70,457.76

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Solution

The fourth proportional to 127,816.32, 176,387.76 and 70,457.76 is: 97,232.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,816.32 : 176,387.76 = 70,457.76 : x
  2. Step 2: Convert to fraction form
    127,816.32/176,387.76 = 70,457.76/x
  3. Step 3: Cross multiply
    127,816.32x = 176,387.76 × 70,457.76
  4. Step 4: Simplify right side
    127,816.32x = 12,427,886,461.02
  5. Step 5: Solve for x
    x = 12,427,886,461.02/127,816.32
  6. Step 6: Final answer
    x = 97,232.39

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1.5x scale

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.