Home / 153,150.24-211,366.32-86,082.24

Finding the Fourth Proportional to 153,150.24, 211,366.32 and 86,082.24

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Solution

The fourth proportional to 153,150.24, 211,366.32 and 86,082.24 is: 118,804.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,150.24 : 211,366.32 = 86,082.24 : x
  2. Step 2: Convert to fraction form
    153,150.24/211,366.32 = 86,082.24/x
  3. Step 3: Cross multiply
    153,150.24x = 211,366.32 × 86,082.24
  4. Step 4: Simplify right side
    153,150.24x = 18,194,886,286.16
  5. Step 5: Solve for x
    x = 18,194,886,286.16/153,150.24
  6. Step 6: Final answer
    x = 118,804.16

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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.