Home / 155,482.16-214,597.50-101,667.20

Finding the Fourth Proportional to 155,482.16, 214,597.50 and 101,667.20

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Solution

The fourth proportional to 155,482.16, 214,597.50 and 101,667.20 is: 140,321.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,482.16 : 214,597.50 = 101,667.20 : x
  2. Step 2: Convert to fraction form
    155,482.16/214,597.50 = 101,667.20/x
  3. Step 3: Cross multiply
    155,482.16x = 214,597.50 × 101,667.20
  4. Step 4: Simplify right side
    155,482.16x = 21,817,526,952
  5. Step 5: Solve for x
    x = 21,817,526,952/155,482.16
  6. Step 6: Final answer
    x = 140,321.74

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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.