Home / 113,827.33-157,102.91-65,457.57

Finding the Fourth Proportional to 113,827.33, 157,102.91 and 65,457.57

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Solution

The fourth proportional to 113,827.33, 157,102.91 and 65,457.57 is: 90,343.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,827.33 : 157,102.91 = 65,457.57 : x
  2. Step 2: Convert to fraction form
    113,827.33/157,102.91 = 65,457.57/x
  3. Step 3: Cross multiply
    113,827.33x = 157,102.91 × 65,457.57
  4. Step 4: Simplify right side
    113,827.33x = 10,283,574,728.53
  5. Step 5: Solve for x
    x = 10,283,574,728.53/113,827.33
  6. Step 6: Final answer
    x = 90,343.63

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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.