Home / 147,030.82-202,871.18-86,579.40

Finding the Fourth Proportional to 147,030.82, 202,871.18 and 86,579.40

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Solution

The fourth proportional to 147,030.82, 202,871.18 and 86,579.40 is: 119,461.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,030.82 : 202,871.18 = 86,579.40 : x
  2. Step 2: Convert to fraction form
    147,030.82/202,871.18 = 86,579.40/x
  3. Step 3: Cross multiply
    147,030.82x = 202,871.18 × 86,579.40
  4. Step 4: Simplify right side
    147,030.82x = 17,564,465,041.69
  5. Step 5: Solve for x
    x = 17,564,465,041.69/147,030.82
  6. Step 6: Final answer
    x = 119,461.11

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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.