Home / 111,186.12-153,437.08-60,199.40

Finding the Fourth Proportional to 111,186.12, 153,437.08 and 60,199.40

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Solution

The fourth proportional to 111,186.12, 153,437.08 and 60,199.40 is: 83,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,186.12 : 153,437.08 = 60,199.40 : x
  2. Step 2: Convert to fraction form
    111,186.12/153,437.08 = 60,199.40/x
  3. Step 3: Cross multiply
    111,186.12x = 153,437.08 × 60,199.40
  4. Step 4: Simplify right side
    111,186.12x = 9,236,820,153.75
  5. Step 5: Solve for x
    x = 9,236,820,153.75/111,186.12
  6. Step 6: Final answer
    x = 83,075.30

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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.