Home / 282,711.74-390,233.12-181,011.11

Finding the Fourth Proportional to 282,711.74, 390,233.12 and 181,011.11

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Solution

The fourth proportional to 282,711.74, 390,233.12 and 181,011.11 is: 249,853.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,711.74 : 390,233.12 = 181,011.11 : x
  2. Step 2: Convert to fraction form
    282,711.74/390,233.12 = 181,011.11/x
  3. Step 3: Cross multiply
    282,711.74x = 390,233.12 × 181,011.11
  4. Step 4: Simplify right side
    282,711.74x = 70,636,527,353.74
  5. Step 5: Solve for x
    x = 70,636,527,353.74/282,711.74
  6. Step 6: Final answer
    x = 249,853.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.