Home / 111,242.18-153,528.81-63,484.58

Finding the Fourth Proportional to 111,242.18, 153,528.81 and 63,484.58

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Solution

The fourth proportional to 111,242.18, 153,528.81 and 63,484.58 is: 87,617.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,242.18 : 153,528.81 = 63,484.58 : x
  2. Step 2: Convert to fraction form
    111,242.18/153,528.81 = 63,484.58/x
  3. Step 3: Cross multiply
    111,242.18x = 153,528.81 × 63,484.58
  4. Step 4: Simplify right side
    111,242.18x = 9,746,712,020.75
  5. Step 5: Solve for x
    x = 9,746,712,020.75/111,242.18
  6. Step 6: Final answer
    x = 87,617.05

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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.