Home / 111,552.39-153,938.07-63,810.18

Finding the Fourth Proportional to 111,552.39, 153,938.07 and 63,810.18

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Solution

The fourth proportional to 111,552.39, 153,938.07 and 63,810.18 is: 88,055.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,552.39 : 153,938.07 = 63,810.18 : x
  2. Step 2: Convert to fraction form
    111,552.39/153,938.07 = 63,810.18/x
  3. Step 3: Cross multiply
    111,552.39x = 153,938.07 × 63,810.18
  4. Step 4: Simplify right side
    111,552.39x = 9,822,815,955.55
  5. Step 5: Solve for x
    x = 9,822,815,955.55/111,552.39
  6. Step 6: Final answer
    x = 88,055.63

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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.