Home / 110,280.30-152,115.03-64,920.03

Finding the Fourth Proportional to 110,280.30, 152,115.03 and 64,920.03

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Solution

The fourth proportional to 110,280.30, 152,115.03 and 64,920.03 is: 89,547.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,280.30 : 152,115.03 = 64,920.03 : x
  2. Step 2: Convert to fraction form
    110,280.30/152,115.03 = 64,920.03/x
  3. Step 3: Cross multiply
    110,280.30x = 152,115.03 × 64,920.03
  4. Step 4: Simplify right side
    110,280.30x = 9,875,312,311.05
  5. Step 5: Solve for x
    x = 9,875,312,311.05/110,280.30
  6. Step 6: Final answer
    x = 89,547.38

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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.