Home / 313,325.38-432,389.58-170,085.52

Finding the Fourth Proportional to 313,325.38, 432,389.58 and 170,085.52

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Solution

The fourth proportional to 313,325.38, 432,389.58 and 170,085.52 is: 234,718.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,325.38 : 432,389.58 = 170,085.52 : x
  2. Step 2: Convert to fraction form
    313,325.38/432,389.58 = 170,085.52/x
  3. Step 3: Cross multiply
    313,325.38x = 432,389.58 × 170,085.52
  4. Step 4: Simplify right side
    313,325.38x = 73,543,205,706.45
  5. Step 5: Solve for x
    x = 73,543,205,706.45/313,325.38
  6. Step 6: Final answer
    x = 234,718.32

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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.