Home / 185,876.59-256,501.32-105,302.47

Finding the Fourth Proportional to 185,876.59, 256,501.32 and 105,302.47

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Solution

The fourth proportional to 185,876.59, 256,501.32 and 105,302.47 is: 145,312.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,876.59 : 256,501.32 = 105,302.47 : x
  2. Step 2: Convert to fraction form
    185,876.59/256,501.32 = 105,302.47/x
  3. Step 3: Cross multiply
    185,876.59x = 256,501.32 × 105,302.47
  4. Step 4: Simplify right side
    185,876.59x = 27,010,222,554.26
  5. Step 5: Solve for x
    x = 27,010,222,554.26/185,876.59
  6. Step 6: Final answer
    x = 145,312.66

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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.