Home / 116,122.16-160,247.92-64,438.74

Finding the Fourth Proportional to 116,122.16, 160,247.92 and 64,438.74

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Solution

The fourth proportional to 116,122.16, 160,247.92 and 64,438.74 is: 88,925.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,122.16 : 160,247.92 = 64,438.74 : x
  2. Step 2: Convert to fraction form
    116,122.16/160,247.92 = 64,438.74/x
  3. Step 3: Cross multiply
    116,122.16x = 160,247.92 × 64,438.74
  4. Step 4: Simplify right side
    116,122.16x = 10,326,174,012.15
  5. Step 5: Solve for x
    x = 10,326,174,012.15/116,122.16
  6. Step 6: Final answer
    x = 88,925.10

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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.