Home / 284,277.52-392,303.56-156,953.36

Finding the Fourth Proportional to 284,277.52, 392,303.56 and 156,953.36

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Solution

The fourth proportional to 284,277.52, 392,303.56 and 156,953.36 is: 216,595.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,277.52 : 392,303.56 = 156,953.36 : x
  2. Step 2: Convert to fraction form
    284,277.52/392,303.56 = 156,953.36/x
  3. Step 3: Cross multiply
    284,277.52x = 392,303.56 × 156,953.36
  4. Step 4: Simplify right side
    284,277.52x = 61,573,361,881.96
  5. Step 5: Solve for x
    x = 61,573,361,881.96/284,277.52
  6. Step 6: Final answer
    x = 216,595.96

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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.