Home / 111,302.74-153,598.65-61,003.54

Finding the Fourth Proportional to 111,302.74, 153,598.65 and 61,003.54

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Solution

The fourth proportional to 111,302.74, 153,598.65 and 61,003.54 is: 84,185.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,302.74 : 153,598.65 = 61,003.54 : x
  2. Step 2: Convert to fraction form
    111,302.74/153,598.65 = 61,003.54/x
  3. Step 3: Cross multiply
    111,302.74x = 153,598.65 × 61,003.54
  4. Step 4: Simplify right side
    111,302.74x = 9,370,061,389.22
  5. Step 5: Solve for x
    x = 9,370,061,389.22/111,302.74
  6. Step 6: Final answer
    x = 84,185.36

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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.