Home / 111,187.04-153,436.64-60,886.08

Finding the Fourth Proportional to 111,187.04, 153,436.64 and 60,886.08

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Solution

The fourth proportional to 111,187.04, 153,436.64 and 60,886.08 is: 84,021.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,187.04 : 153,436.64 = 60,886.08 : x
  2. Step 2: Convert to fraction form
    111,187.04/153,436.64 = 60,886.08/x
  3. Step 3: Cross multiply
    111,187.04x = 153,436.64 × 60,886.08
  4. Step 4: Simplify right side
    111,187.04x = 9,342,155,537.97
  5. Step 5: Solve for x
    x = 9,342,155,537.97/111,187.04
  6. Step 6: Final answer
    x = 84,021.98

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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.