Home / 191,931.45-287,886.79-58,812.11

Finding the Fourth Proportional to 191,931.45, 287,886.79 and 58,812.11

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Solution

The fourth proportional to 191,931.45, 287,886.79 and 58,812.11 is: 88,214.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,931.45 : 287,886.79 = 58,812.11 : x
  2. Step 2: Convert to fraction form
    191,931.45/287,886.79 = 58,812.11/x
  3. Step 3: Cross multiply
    191,931.45x = 287,886.79 × 58,812.11
  4. Step 4: Simplify right side
    191,931.45x = 16,931,229,561.03
  5. Step 5: Solve for x
    x = 16,931,229,561.03/191,931.45
  6. Step 6: Final answer
    x = 88,214.98

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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.