Home / 153,549.61-211,904.99-85,566.67

Finding the Fourth Proportional to 153,549.61, 211,904.99 and 85,566.67

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Solution

The fourth proportional to 153,549.61, 211,904.99 and 85,566.67 is: 118,085.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,549.61 : 211,904.99 = 85,566.67 : x
  2. Step 2: Convert to fraction form
    153,549.61/211,904.99 = 85,566.67/x
  3. Step 3: Cross multiply
    153,549.61x = 211,904.99 × 85,566.67
  4. Step 4: Simplify right side
    153,549.61x = 18,132,004,350.68
  5. Step 5: Solve for x
    x = 18,132,004,350.68/153,549.61
  6. Step 6: Final answer
    x = 118,085.64

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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.