Home / 318,184.80-439,096.76-187,368.16

Finding the Fourth Proportional to 318,184.80, 439,096.76 and 187,368.16

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Solution

The fourth proportional to 318,184.80, 439,096.76 and 187,368.16 is: 258,569.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,184.80 : 439,096.76 = 187,368.16 : x
  2. Step 2: Convert to fraction form
    318,184.80/439,096.76 = 187,368.16/x
  3. Step 3: Cross multiply
    318,184.80x = 439,096.76 × 187,368.16
  4. Step 4: Simplify right side
    318,184.80x = 82,272,751,983.16
  5. Step 5: Solve for x
    x = 82,272,751,983.16/318,184.80
  6. Step 6: Final answer
    x = 258,569.08

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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.