Home / 153,069.46-211,248.93-85,099.66

Finding the Fourth Proportional to 153,069.46, 211,248.93 and 85,099.66

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Solution

The fourth proportional to 153,069.46, 211,248.93 and 85,099.66 is: 117,444.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,069.46 : 211,248.93 = 85,099.66 : x
  2. Step 2: Convert to fraction form
    153,069.46/211,248.93 = 85,099.66/x
  3. Step 3: Cross multiply
    153,069.46x = 211,248.93 × 85,099.66
  4. Step 4: Simplify right side
    153,069.46x = 17,977,212,118.36
  5. Step 5: Solve for x
    x = 17,977,212,118.36/153,069.46
  6. Step 6: Final answer
    x = 117,444.80

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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.