Home / 318,586.08-439,632.02-175,318.40

Finding the Fourth Proportional to 318,586.08, 439,632.02 and 175,318.40

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Solution

The fourth proportional to 318,586.08, 439,632.02 and 175,318.40 is: 241,930.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,586.08 : 439,632.02 = 175,318.40 : x
  2. Step 2: Convert to fraction form
    318,586.08/439,632.02 = 175,318.40/x
  3. Step 3: Cross multiply
    318,586.08x = 439,632.02 × 175,318.40
  4. Step 4: Simplify right side
    318,586.08x = 77,075,582,335.17
  5. Step 5: Solve for x
    x = 77,075,582,335.17/318,586.08
  6. Step 6: Final answer
    x = 241,930.16

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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.