Home / 153,598.24-211,921.41-99,962.20

Finding the Fourth Proportional to 153,598.24, 211,921.41 and 99,962.20

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Solution

The fourth proportional to 153,598.24, 211,921.41 and 99,962.20 is: 137,919.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,598.24 : 211,921.41 = 99,962.20 : x
  2. Step 2: Convert to fraction form
    153,598.24/211,921.41 = 99,962.20/x
  3. Step 3: Cross multiply
    153,598.24x = 211,921.41 × 99,962.20
  4. Step 4: Simplify right side
    153,598.24x = 21,184,130,370.70
  5. Step 5: Solve for x
    x = 21,184,130,370.70/153,598.24
  6. Step 6: Final answer
    x = 137,919.10

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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.