Home / 153,385.57-211,680.83-92,150.49

Finding the Fourth Proportional to 153,385.57, 211,680.83 and 92,150.49

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Solution

The fourth proportional to 153,385.57, 211,680.83 and 92,150.49 is: 127,172.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,385.57 : 211,680.83 = 92,150.49 : x
  2. Step 2: Convert to fraction form
    153,385.57/211,680.83 = 92,150.49/x
  3. Step 3: Cross multiply
    153,385.57x = 211,680.83 × 92,150.49
  4. Step 4: Simplify right side
    153,385.57x = 19,506,492,967.69
  5. Step 5: Solve for x
    x = 19,506,492,967.69/153,385.57
  6. Step 6: Final answer
    x = 127,172.93

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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.