Home / 117,925.12-162,697.12-70,151.32

Finding the Fourth Proportional to 117,925.12, 162,697.12 and 70,151.32

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Solution

The fourth proportional to 117,925.12, 162,697.12 and 70,151.32 is: 96,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,925.12 : 162,697.12 = 70,151.32 : x
  2. Step 2: Convert to fraction form
    117,925.12/162,697.12 = 70,151.32/x
  3. Step 3: Cross multiply
    117,925.12x = 162,697.12 × 70,151.32
  4. Step 4: Simplify right side
    117,925.12x = 11,413,417,728.20
  5. Step 5: Solve for x
    x = 11,413,417,728.20/117,925.12
  6. Step 6: Final answer
    x = 96,785.30

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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.