Home / 153,078.90-211,351.95-136,896.01

Finding the Fourth Proportional to 153,078.90, 211,351.95 and 136,896.01

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Solution

The fourth proportional to 153,078.90, 211,351.95 and 136,896.01 is: 189,008.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,078.90 : 211,351.95 = 136,896.01 : x
  2. Step 2: Convert to fraction form
    153,078.90/211,351.95 = 136,896.01/x
  3. Step 3: Cross multiply
    153,078.90x = 211,351.95 × 136,896.01
  4. Step 4: Simplify right side
    153,078.90x = 28,933,238,132.34
  5. Step 5: Solve for x
    x = 28,933,238,132.34/153,078.90
  6. Step 6: Final answer
    x = 189,008.67

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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.