Home / 202,384.41-279,315.10-117,501.47

Finding the Fourth Proportional to 202,384.41, 279,315.10 and 117,501.47

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Solution

The fourth proportional to 202,384.41, 279,315.10 and 117,501.47 is: 162,166.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,384.41 : 279,315.10 = 117,501.47 : x
  2. Step 2: Convert to fraction form
    202,384.41/279,315.10 = 117,501.47/x
  3. Step 3: Cross multiply
    202,384.41x = 279,315.10 × 117,501.47
  4. Step 4: Simplify right side
    202,384.41x = 32,819,934,640.93
  5. Step 5: Solve for x
    x = 32,819,934,640.93/202,384.41
  6. Step 6: Final answer
    x = 162,166.32

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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.