Home / 191,827.76-287,895.72-86,655.92

Finding the Fourth Proportional to 191,827.76, 287,895.72 and 86,655.92

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Solution

The fourth proportional to 191,827.76, 287,895.72 and 86,655.92 is: 130,053.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,827.76 : 287,895.72 = 86,655.92 : x
  2. Step 2: Convert to fraction form
    191,827.76/287,895.72 = 86,655.92/x
  3. Step 3: Cross multiply
    191,827.76x = 287,895.72 × 86,655.92
  4. Step 4: Simplify right side
    191,827.76x = 24,947,868,480.66
  5. Step 5: Solve for x
    x = 24,947,868,480.66/191,827.76
  6. Step 6: Final answer
    x = 130,053.48

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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.