Home / 284,333.04-392,377.14-157,000.68

Finding the Fourth Proportional to 284,333.04, 392,377.14 and 157,000.68

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Solution

The fourth proportional to 284,333.04, 392,377.14 and 157,000.68 is: 216,659.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,333.04 : 392,377.14 = 157,000.68 : x
  2. Step 2: Convert to fraction form
    284,333.04/392,377.14 = 157,000.68/x
  3. Step 3: Cross multiply
    284,333.04x = 392,377.14 × 157,000.68
  4. Step 4: Simplify right side
    284,333.04x = 61,603,477,796.46
  5. Step 5: Solve for x
    x = 61,603,477,796.46/284,333.04
  6. Step 6: Final answer
    x = 216,659.58

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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.