Home / 314,030.26-470,974.64-89,385.72

Finding the Fourth Proportional to 314,030.26, 470,974.64 and 89,385.72

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Solution

The fourth proportional to 314,030.26, 470,974.64 and 89,385.72 is: 134,058.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,030.26 : 470,974.64 = 89,385.72 : x
  2. Step 2: Convert to fraction form
    314,030.26/470,974.64 = 89,385.72/x
  3. Step 3: Cross multiply
    314,030.26x = 470,974.64 × 89,385.72
  4. Step 4: Simplify right side
    314,030.26x = 42,098,407,298.14
  5. Step 5: Solve for x
    x = 42,098,407,298.14/314,030.26
  6. Step 6: Final answer
    x = 134,058.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.