Home / 157,817.80-236,381.10-140,307.40

Finding the Fourth Proportional to 157,817.80, 236,381.10 and 140,307.40

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Solution

The fourth proportional to 157,817.80, 236,381.10 and 140,307.40 is: 210,153.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,817.80 : 236,381.10 = 140,307.40 : x
  2. Step 2: Convert to fraction form
    157,817.80/236,381.10 = 140,307.40/x
  3. Step 3: Cross multiply
    157,817.80x = 236,381.10 × 140,307.40
  4. Step 4: Simplify right side
    157,817.80x = 33,166,017,550.14
  5. Step 5: Solve for x
    x = 33,166,017,550.14/157,817.80
  6. Step 6: Final answer
    x = 210,153.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.