Home / 143,225.54-197,569.00-89,417.14

Finding the Fourth Proportional to 143,225.54, 197,569.00 and 89,417.14

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Solution

The fourth proportional to 143,225.54, 197,569.00 and 89,417.14 is: 123,344.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,225.54 : 197,569.00 = 89,417.14 : x
  2. Step 2: Convert to fraction form
    143,225.54/197,569.00 = 89,417.14/x
  3. Step 3: Cross multiply
    143,225.54x = 197,569.00 × 89,417.14
  4. Step 4: Simplify right side
    143,225.54x = 17,666,054,215.19
  5. Step 5: Solve for x
    x = 17,666,054,215.19/143,225.54
  6. Step 6: Final answer
    x = 123,344.31

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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.