Home / 153,272.03-211,521.38-92,808.50

Finding the Fourth Proportional to 153,272.03, 211,521.38 and 92,808.50

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Solution

The fourth proportional to 153,272.03, 211,521.38 and 92,808.50 is: 128,079.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,272.03 : 211,521.38 = 92,808.50 : x
  2. Step 2: Convert to fraction form
    153,272.03/211,521.38 = 92,808.50/x
  3. Step 3: Cross multiply
    153,272.03x = 211,521.38 × 92,808.50
  4. Step 4: Simplify right side
    153,272.03x = 19,630,980,474.08
  5. Step 5: Solve for x
    x = 19,630,980,474.08/153,272.03
  6. Step 6: Final answer
    x = 128,079.34

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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.