Home / 156,986.05-235,479.08-51,799.45

Finding the Fourth Proportional to 156,986.05, 235,479.08 and 51,799.45

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Solution

The fourth proportional to 156,986.05, 235,479.08 and 51,799.45 is: 77,699.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,986.05 : 235,479.08 = 51,799.45 : x
  2. Step 2: Convert to fraction form
    156,986.05/235,479.08 = 51,799.45/x
  3. Step 3: Cross multiply
    156,986.05x = 235,479.08 × 51,799.45
  4. Step 4: Simplify right side
    156,986.05x = 12,197,686,830.51
  5. Step 5: Solve for x
    x = 12,197,686,830.51/156,986.05
  6. Step 6: Final answer
    x = 77,699.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.