Home / 185,666.72-256,148.30-105,075.76

Finding the Fourth Proportional to 185,666.72, 256,148.30 and 105,075.76

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Solution

The fourth proportional to 185,666.72, 256,148.30 and 105,075.76 is: 144,963.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,666.72 : 256,148.30 = 105,075.76 : x
  2. Step 2: Convert to fraction form
    185,666.72/256,148.30 = 105,075.76/x
  3. Step 3: Cross multiply
    185,666.72x = 256,148.30 × 105,075.76
  4. Step 4: Simplify right side
    185,666.72x = 26,914,977,295.21
  5. Step 5: Solve for x
    x = 26,914,977,295.21/185,666.72
  6. Step 6: Final answer
    x = 144,963.93

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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.