Home / 191,307.52-286,993.89-78,926.24

Finding the Fourth Proportional to 191,307.52, 286,993.89 and 78,926.24

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Solution

The fourth proportional to 191,307.52, 286,993.89 and 78,926.24 is: 118,402.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,307.52 : 286,993.89 = 78,926.24 : x
  2. Step 2: Convert to fraction form
    191,307.52/286,993.89 = 78,926.24/x
  3. Step 3: Cross multiply
    191,307.52x = 286,993.89 × 78,926.24
  4. Step 4: Simplify right side
    191,307.52x = 22,651,349,358.16
  5. Step 5: Solve for x
    x = 22,651,349,358.16/191,307.52
  6. Step 6: Final answer
    x = 118,402.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.