Home / 153,477.42-211,750.10-86,396.46

Finding the Fourth Proportional to 153,477.42, 211,750.10 and 86,396.46

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Solution

The fourth proportional to 153,477.42, 211,750.10 and 86,396.46 is: 119,199.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,477.42 : 211,750.10 = 86,396.46 : x
  2. Step 2: Convert to fraction form
    153,477.42/211,750.10 = 86,396.46/x
  3. Step 3: Cross multiply
    153,477.42x = 211,750.10 × 86,396.46
  4. Step 4: Simplify right side
    153,477.42x = 18,294,459,044.65
  5. Step 5: Solve for x
    x = 18,294,459,044.65/153,477.42
  6. Step 6: Final answer
    x = 119,199.68

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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.