Home / 317,526.14-438,170.08-188,470.25

Finding the Fourth Proportional to 317,526.14, 438,170.08 and 188,470.25

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Solution

The fourth proportional to 317,526.14, 438,170.08 and 188,470.25 is: 260,079.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,526.14 : 438,170.08 = 188,470.25 : x
  2. Step 2: Convert to fraction form
    317,526.14/438,170.08 = 188,470.25/x
  3. Step 3: Cross multiply
    317,526.14x = 438,170.08 × 188,470.25
  4. Step 4: Simplify right side
    317,526.14x = 82,582,025,617.04
  5. Step 5: Solve for x
    x = 82,582,025,617.04/317,526.14
  6. Step 6: Final answer
    x = 260,079.45

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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.