Home / 185,648.32-256,206.48-105,045.28

Finding the Fourth Proportional to 185,648.32, 256,206.48 and 105,045.28

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Solution

The fourth proportional to 185,648.32, 256,206.48 and 105,045.28 is: 144,969.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,648.32 : 256,206.48 = 105,045.28 : x
  2. Step 2: Convert to fraction form
    185,648.32/256,206.48 = 105,045.28/x
  3. Step 3: Cross multiply
    185,648.32x = 256,206.48 × 105,045.28
  4. Step 4: Simplify right side
    185,648.32x = 26,913,281,429.41
  5. Step 5: Solve for x
    x = 26,913,281,429.41/185,648.32
  6. Step 6: Final answer
    x = 144,969.16

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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.