Home / 191,024.12-286,437.72-85,752.92

Finding the Fourth Proportional to 191,024.12, 286,437.72 and 85,752.92

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Solution

The fourth proportional to 191,024.12, 286,437.72 and 85,752.92 is: 128,585.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,024.12 : 286,437.72 = 85,752.92 : x
  2. Step 2: Convert to fraction form
    191,024.12/286,437.72 = 85,752.92/x
  3. Step 3: Cross multiply
    191,024.12x = 286,437.72 × 85,752.92
  4. Step 4: Simplify right side
    191,024.12x = 24,562,870,888.14
  5. Step 5: Solve for x
    x = 24,562,870,888.14/191,024.12
  6. Step 6: Final answer
    x = 128,585.18

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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.