Home / 191,429.09-287,133.15-58,298.20

Finding the Fourth Proportional to 191,429.09, 287,133.15 and 58,298.20

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Solution

The fourth proportional to 191,429.09, 287,133.15 and 58,298.20 is: 87,444.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,429.09 : 287,133.15 = 58,298.20 : x
  2. Step 2: Convert to fraction form
    191,429.09/287,133.15 = 58,298.20/x
  3. Step 3: Cross multiply
    191,429.09x = 287,133.15 × 58,298.20
  4. Step 4: Simplify right side
    191,429.09x = 16,739,345,306.12
  5. Step 5: Solve for x
    x = 16,739,345,306.12/191,429.09
  6. Step 6: Final answer
    x = 87,444.10

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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.