Home / 153,410.14-211,707.57-89,735.50

Finding the Fourth Proportional to 153,410.14, 211,707.57 and 89,735.50

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Solution

The fourth proportional to 153,410.14, 211,707.57 and 89,735.50 is: 123,835.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,410.14 : 211,707.57 = 89,735.50 : x
  2. Step 2: Convert to fraction form
    153,410.14/211,707.57 = 89,735.50/x
  3. Step 3: Cross multiply
    153,410.14x = 211,707.57 × 89,735.50
  4. Step 4: Simplify right side
    153,410.14x = 18,997,684,647.74
  5. Step 5: Solve for x
    x = 18,997,684,647.74/153,410.14
  6. Step 6: Final answer
    x = 123,835.91

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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.