Home / 283,384.26-391,068.36-156,058.92

Finding the Fourth Proportional to 283,384.26, 391,068.36 and 156,058.92

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Solution

The fourth proportional to 283,384.26, 391,068.36 and 156,058.92 is: 215,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,384.26 : 391,068.36 = 156,058.92 : x
  2. Step 2: Convert to fraction form
    283,384.26/391,068.36 = 156,058.92/x
  3. Step 3: Cross multiply
    283,384.26x = 391,068.36 × 156,058.92
  4. Step 4: Simplify right side
    283,384.26x = 61,029,705,907.77
  5. Step 5: Solve for x
    x = 61,029,705,907.77/283,384.26
  6. Step 6: Final answer
    x = 215,360.25

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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.