Home / 284,173.19-392,131.06-156,840.58

Finding the Fourth Proportional to 284,173.19, 392,131.06 and 156,840.58

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Solution

The fourth proportional to 284,173.19, 392,131.06 and 156,840.58 is: 216,424.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,173.19 : 392,131.06 = 156,840.58 : x
  2. Step 2: Convert to fraction form
    284,173.19/392,131.06 = 156,840.58/x
  3. Step 3: Cross multiply
    284,173.19x = 392,131.06 × 156,840.58
  4. Step 4: Simplify right side
    284,173.19x = 61,502,062,886.41
  5. Step 5: Solve for x
    x = 61,502,062,886.41/284,173.19
  6. Step 6: Final answer
    x = 216,424.58

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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.