Home / 157,510.34-217,356.37-89,518.33

Finding the Fourth Proportional to 157,510.34, 217,356.37 and 89,518.33

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Solution

The fourth proportional to 157,510.34, 217,356.37 and 89,518.33 is: 123,530.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,510.34 : 217,356.37 = 89,518.33 : x
  2. Step 2: Convert to fraction form
    157,510.34/217,356.37 = 89,518.33/x
  3. Step 3: Cross multiply
    157,510.34x = 217,356.37 × 89,518.33
  4. Step 4: Simplify right side
    157,510.34x = 19,457,378,170.48
  5. Step 5: Solve for x
    x = 19,457,378,170.48/157,510.34
  6. Step 6: Final answer
    x = 123,530.80

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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.