Home / 106,712.16-147,283.14-70,349.77

Finding the Fourth Proportional to 106,712.16, 147,283.14 and 70,349.77

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Solution

The fourth proportional to 106,712.16, 147,283.14 and 70,349.77 is: 97,096.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,712.16 : 147,283.14 = 70,349.77 : x
  2. Step 2: Convert to fraction form
    106,712.16/147,283.14 = 70,349.77/x
  3. Step 3: Cross multiply
    106,712.16x = 147,283.14 × 70,349.77
  4. Step 4: Simplify right side
    106,712.16x = 10,361,335,023.88
  5. Step 5: Solve for x
    x = 10,361,335,023.88/106,712.16
  6. Step 6: Final answer
    x = 97,096.10

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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.