Home / 157,501.36-217,343.64-89,509.24

Finding the Fourth Proportional to 157,501.36, 217,343.64 and 89,509.24

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Solution

The fourth proportional to 157,501.36, 217,343.64 and 89,509.24 is: 123,518.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,501.36 : 217,343.64 = 89,509.24 : x
  2. Step 2: Convert to fraction form
    157,501.36/217,343.64 = 89,509.24/x
  3. Step 3: Cross multiply
    157,501.36x = 217,343.64 × 89,509.24
  4. Step 4: Simplify right side
    157,501.36x = 19,454,264,035.23
  5. Step 5: Solve for x
    x = 19,454,264,035.23/157,501.36
  6. Step 6: Final answer
    x = 123,518.07

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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.