Home / 283,160.04-390,672.90-160,632.30

Finding the Fourth Proportional to 283,160.04, 390,672.90 and 160,632.30

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Solution

The fourth proportional to 283,160.04, 390,672.90 and 160,632.30 is: 221,622.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,160.04 : 390,672.90 = 160,632.30 : x
  2. Step 2: Convert to fraction form
    283,160.04/390,672.90 = 160,632.30/x
  3. Step 3: Cross multiply
    283,160.04x = 390,672.90 × 160,632.30
  4. Step 4: Simplify right side
    283,160.04x = 62,754,686,474.67
  5. Step 5: Solve for x
    x = 62,754,686,474.67/283,160.04
  6. Step 6: Final answer
    x = 221,622.68

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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.