Home / 181,113.22-249,931.33-100,538.67

Finding the Fourth Proportional to 181,113.22, 249,931.33 and 100,538.67

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Solution

The fourth proportional to 181,113.22, 249,931.33 and 100,538.67 is: 138,740.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,113.22 : 249,931.33 = 100,538.67 : x
  2. Step 2: Convert to fraction form
    181,113.22/249,931.33 = 100,538.67/x
  3. Step 3: Cross multiply
    181,113.22x = 249,931.33 × 100,538.67
  4. Step 4: Simplify right side
    181,113.22x = 25,127,763,509.53
  5. Step 5: Solve for x
    x = 25,127,763,509.53/181,113.22
  6. Step 6: Final answer
    x = 138,740.64

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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.