Home / 163,023.86-224,960.56-91,390.30

Finding the Fourth Proportional to 163,023.86, 224,960.56 and 91,390.30

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Solution

The fourth proportional to 163,023.86, 224,960.56 and 91,390.30 is: 126,111.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,023.86 : 224,960.56 = 91,390.30 : x
  2. Step 2: Convert to fraction form
    163,023.86/224,960.56 = 91,390.30/x
  3. Step 3: Cross multiply
    163,023.86x = 224,960.56 × 91,390.30
  4. Step 4: Simplify right side
    163,023.86x = 20,559,212,275.69
  5. Step 5: Solve for x
    x = 20,559,212,275.69/163,023.86
  6. Step 6: Final answer
    x = 126,111.67

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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.