Home / 234,130.64-323,100.28-126,700.67

Finding the Fourth Proportional to 234,130.64, 323,100.28 and 126,700.67

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Solution

The fourth proportional to 234,130.64, 323,100.28 and 126,700.67 is: 174,846.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,130.64 : 323,100.28 = 126,700.67 : x
  2. Step 2: Convert to fraction form
    234,130.64/323,100.28 = 126,700.67/x
  3. Step 3: Cross multiply
    234,130.64x = 323,100.28 × 126,700.67
  4. Step 4: Simplify right side
    234,130.64x = 40,937,021,953.19
  5. Step 5: Solve for x
    x = 40,937,021,953.19/234,130.64
  6. Step 6: Final answer
    x = 174,846.92

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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.