Home / 185,595.06-256,117.62-105,021.12

Finding the Fourth Proportional to 185,595.06, 256,117.62 and 105,021.12

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Solution

The fourth proportional to 185,595.06, 256,117.62 and 105,021.12 is: 144,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,595.06 : 256,117.62 = 105,021.12 : x
  2. Step 2: Convert to fraction form
    185,595.06/256,117.62 = 105,021.12/x
  3. Step 3: Cross multiply
    185,595.06x = 256,117.62 × 105,021.12
  4. Step 4: Simplify right side
    185,595.06x = 26,897,759,304.13
  5. Step 5: Solve for x
    x = 26,897,759,304.13/185,595.06
  6. Step 6: Final answer
    x = 144,927.13

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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.