Home / 116,158.52-160,355.08-77,904.08

Finding the Fourth Proportional to 116,158.52, 160,355.08 and 77,904.08

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Solution

The fourth proportional to 116,158.52, 160,355.08 and 77,904.08 is: 107,545.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,158.52 : 160,355.08 = 77,904.08 : x
  2. Step 2: Convert to fraction form
    116,158.52/160,355.08 = 77,904.08/x
  3. Step 3: Cross multiply
    116,158.52x = 160,355.08 × 77,904.08
  4. Step 4: Simplify right side
    116,158.52x = 12,492,314,980.73
  5. Step 5: Solve for x
    x = 12,492,314,980.73/116,158.52
  6. Step 6: Final answer
    x = 107,545.40

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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.