Home / 151,477.09-209,000.66-97,697.39

Finding the Fourth Proportional to 151,477.09, 209,000.66 and 97,697.39

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Solution

The fourth proportional to 151,477.09, 209,000.66 and 97,697.39 is: 134,798.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,477.09 : 209,000.66 = 97,697.39 : x
  2. Step 2: Convert to fraction form
    151,477.09/209,000.66 = 97,697.39/x
  3. Step 3: Cross multiply
    151,477.09x = 209,000.66 × 97,697.39
  4. Step 4: Simplify right side
    151,477.09x = 20,418,818,632.42
  5. Step 5: Solve for x
    x = 20,418,818,632.42/151,477.09
  6. Step 6: Final answer
    x = 134,798.07

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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.