Home / 330,475.16-456,066.39-187,232.13

Finding the Fourth Proportional to 330,475.16, 456,066.39 and 187,232.13

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Solution

The fourth proportional to 330,475.16, 456,066.39 and 187,232.13 is: 258,386.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,475.16 : 456,066.39 = 187,232.13 : x
  2. Step 2: Convert to fraction form
    330,475.16/456,066.39 = 187,232.13/x
  3. Step 3: Cross multiply
    330,475.16x = 456,066.39 × 187,232.13
  4. Step 4: Simplify right side
    330,475.16x = 85,390,281,621.11
  5. Step 5: Solve for x
    x = 85,390,281,621.11/330,475.16
  6. Step 6: Final answer
    x = 258,386.39

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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.