Home / 127,558.32-176,035.80-70,970.16

Finding the Fourth Proportional to 127,558.32, 176,035.80 and 70,970.16

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Solution

The fourth proportional to 127,558.32, 176,035.80 and 70,970.16 is: 97,941.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,558.32 : 176,035.80 = 70,970.16 : x
  2. Step 2: Convert to fraction form
    127,558.32/176,035.80 = 70,970.16/x
  3. Step 3: Cross multiply
    127,558.32x = 176,035.80 × 70,970.16
  4. Step 4: Simplify right side
    127,558.32x = 12,493,288,891.73
  5. Step 5: Solve for x
    x = 12,493,288,891.73/127,558.32
  6. Step 6: Final answer
    x = 97,941.78

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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.