Home / 163,883.62-226,222.88-128,085.17

Finding the Fourth Proportional to 163,883.62, 226,222.88 and 128,085.17

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Solution

The fourth proportional to 163,883.62, 226,222.88 and 128,085.17 is: 176,807.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,883.62 : 226,222.88 = 128,085.17 : x
  2. Step 2: Convert to fraction form
    163,883.62/226,222.88 = 128,085.17/x
  3. Step 3: Cross multiply
    163,883.62x = 226,222.88 × 128,085.17
  4. Step 4: Simplify right side
    163,883.62x = 28,975,794,271.15
  5. Step 5: Solve for x
    x = 28,975,794,271.15/163,883.62
  6. Step 6: Final answer
    x = 176,807.14

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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.