Home / 199,547.40-299,666.70-193,326.60

Finding the Fourth Proportional to 199,547.40, 299,666.70 and 193,326.60

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Solution

The fourth proportional to 199,547.40, 299,666.70 and 193,326.60 is: 290,324.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,547.40 : 299,666.70 = 193,326.60 : x
  2. Step 2: Convert to fraction form
    199,547.40/299,666.70 = 193,326.60/x
  3. Step 3: Cross multiply
    199,547.40x = 299,666.70 × 193,326.60
  4. Step 4: Simplify right side
    199,547.40x = 57,933,544,244.22
  5. Step 5: Solve for x
    x = 57,933,544,244.22/199,547.40
  6. Step 6: Final answer
    x = 290,324.73

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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.