Home / 127,557.32-176,029.10-70,968.68

Finding the Fourth Proportional to 127,557.32, 176,029.10 and 70,968.68

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Solution

The fourth proportional to 127,557.32, 176,029.10 and 70,968.68 is: 97,936.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,557.32 : 176,029.10 = 70,968.68 : x
  2. Step 2: Convert to fraction form
    127,557.32/176,029.10 = 70,968.68/x
  3. Step 3: Cross multiply
    127,557.32x = 176,029.10 × 70,968.68
  4. Step 4: Simplify right side
    127,557.32x = 12,492,552,868.59
  5. Step 5: Solve for x
    x = 12,492,552,868.59/127,557.32
  6. Step 6: Final answer
    x = 97,936.78

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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.