Home / 284,087.16-392,042.52-156,771.36

Finding the Fourth Proportional to 284,087.16, 392,042.52 and 156,771.36

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Solution

The fourth proportional to 284,087.16, 392,042.52 and 156,771.36 is: 216,345.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,087.16 : 392,042.52 = 156,771.36 : x
  2. Step 2: Convert to fraction form
    284,087.16/392,042.52 = 156,771.36/x
  3. Step 3: Cross multiply
    284,087.16x = 392,042.52 × 156,771.36
  4. Step 4: Simplify right side
    284,087.16x = 61,461,039,038.23
  5. Step 5: Solve for x
    x = 61,461,039,038.23/284,087.16
  6. Step 6: Final answer
    x = 216,345.71

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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.