Home / 111,137.19-153,368.13-60,148.80

Finding the Fourth Proportional to 111,137.19, 153,368.13 and 60,148.80

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Solution

The fourth proportional to 111,137.19, 153,368.13 and 60,148.80 is: 83,004.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,137.19 : 153,368.13 = 60,148.80 : x
  2. Step 2: Convert to fraction form
    111,137.19/153,368.13 = 60,148.80/x
  3. Step 3: Cross multiply
    111,137.19x = 153,368.13 × 60,148.80
  4. Step 4: Simplify right side
    111,137.19x = 9,224,908,977.74
  5. Step 5: Solve for x
    x = 9,224,908,977.74/111,137.19
  6. Step 6: Final answer
    x = 83,004.70

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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.