Home / 185,875.19-256,502.93-105,300.65

Finding the Fourth Proportional to 185,875.19, 256,502.93 and 105,300.65

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Solution

The fourth proportional to 185,875.19, 256,502.93 and 105,300.65 is: 145,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,875.19 : 256,502.93 = 105,300.65 : x
  2. Step 2: Convert to fraction form
    185,875.19/256,502.93 = 105,300.65/x
  3. Step 3: Cross multiply
    185,875.19x = 256,502.93 × 105,300.65
  4. Step 4: Simplify right side
    185,875.19x = 27,009,923,446.89
  5. Step 5: Solve for x
    x = 27,009,923,446.89/185,875.19
  6. Step 6: Final answer
    x = 145,312.15

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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.