Home / 314,035.03-470,981.76-89,390.48

Finding the Fourth Proportional to 314,035.03, 470,981.76 and 89,390.48

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Solution

The fourth proportional to 314,035.03, 470,981.76 and 89,390.48 is: 134,065.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,035.03 : 470,981.76 = 89,390.48 : x
  2. Step 2: Convert to fraction form
    314,035.03/470,981.76 = 89,390.48/x
  3. Step 3: Cross multiply
    314,035.03x = 470,981.76 × 89,390.48
  4. Step 4: Simplify right side
    314,035.03x = 42,101,285,597.64
  5. Step 5: Solve for x
    x = 42,101,285,597.64/314,035.03
  6. Step 6: Final answer
    x = 134,065.57

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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.