Home / 185,718.54-256,307.45-105,160.26

Finding the Fourth Proportional to 185,718.54, 256,307.45 and 105,160.26

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Solution

The fourth proportional to 185,718.54, 256,307.45 and 105,160.26 is: 145,130.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,718.54 : 256,307.45 = 105,160.26 : x
  2. Step 2: Convert to fraction form
    185,718.54/256,307.45 = 105,160.26/x
  3. Step 3: Cross multiply
    185,718.54x = 256,307.45 × 105,160.26
  4. Step 4: Simplify right side
    185,718.54x = 26,953,357,556.14
  5. Step 5: Solve for x
    x = 26,953,357,556.14/185,718.54
  6. Step 6: Final answer
    x = 145,130.14

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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.