Home / 284,528.89-392,657.79-157,212.69

Finding the Fourth Proportional to 284,528.89, 392,657.79 and 157,212.69

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Solution

The fourth proportional to 284,528.89, 392,657.79 and 157,212.69 is: 216,957.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,528.89 : 392,657.79 = 157,212.69 : x
  2. Step 2: Convert to fraction form
    284,528.89/392,657.79 = 157,212.69/x
  3. Step 3: Cross multiply
    284,528.89x = 392,657.79 × 157,212.69
  4. Step 4: Simplify right side
    284,528.89x = 61,730,787,415.36
  5. Step 5: Solve for x
    x = 61,730,787,415.36/284,528.89
  6. Step 6: Final answer
    x = 216,957.89

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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.