Home / 153,875.04-212,180.13-100,060.26

Finding the Fourth Proportional to 153,875.04, 212,180.13 and 100,060.26

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Solution

The fourth proportional to 153,875.04, 212,180.13 and 100,060.26 is: 137,974.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,875.04 : 212,180.13 = 100,060.26 : x
  2. Step 2: Convert to fraction form
    153,875.04/212,180.13 = 100,060.26/x
  3. Step 3: Cross multiply
    153,875.04x = 212,180.13 × 100,060.26
  4. Step 4: Simplify right side
    153,875.04x = 21,230,798,974.63
  5. Step 5: Solve for x
    x = 21,230,798,974.63/153,875.04
  6. Step 6: Final answer
    x = 137,974.29

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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.