Home / 245,088.10-367,632.15-78,876.10

Finding the Fourth Proportional to 245,088.10, 367,632.15 and 78,876.10

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Solution

The fourth proportional to 245,088.10, 367,632.15 and 78,876.10 is: 118,314.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,088.10 : 367,632.15 = 78,876.10 : x
  2. Step 2: Convert to fraction form
    245,088.10/367,632.15 = 78,876.10/x
  3. Step 3: Cross multiply
    245,088.10x = 367,632.15 × 78,876.10
  4. Step 4: Simplify right side
    245,088.10x = 28,997,390,226.62
  5. Step 5: Solve for x
    x = 28,997,390,226.62/245,088.10
  6. Step 6: Final answer
    x = 118,314.15

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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.