Home / 127,915.77-176,521.51-70,560.32

Finding the Fourth Proportional to 127,915.77, 176,521.51 and 70,560.32

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Solution

The fourth proportional to 127,915.77, 176,521.51 and 70,560.32 is: 97,371.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,915.77 : 176,521.51 = 70,560.32 : x
  2. Step 2: Convert to fraction form
    127,915.77/176,521.51 = 70,560.32/x
  3. Step 3: Cross multiply
    127,915.77x = 176,521.51 × 70,560.32
  4. Step 4: Simplify right side
    127,915.77x = 12,455,413,438.08
  5. Step 5: Solve for x
    x = 12,455,413,438.08/127,915.77
  6. Step 6: Final answer
    x = 97,371.99

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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.