Home / 147,870.10-221,805.15-108,504.10

Finding the Fourth Proportional to 147,870.10, 221,805.15 and 108,504.10

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Solution

The fourth proportional to 147,870.10, 221,805.15 and 108,504.10 is: 162,756.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,870.10 : 221,805.15 = 108,504.10 : x
  2. Step 2: Convert to fraction form
    147,870.10/221,805.15 = 108,504.10/x
  3. Step 3: Cross multiply
    147,870.10x = 221,805.15 × 108,504.10
  4. Step 4: Simplify right side
    147,870.10x = 24,066,768,176.12
  5. Step 5: Solve for x
    x = 24,066,768,176.12/147,870.10
  6. Step 6: Final answer
    x = 162,756.15

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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.