Home / 197,903.20-296,854.80-57,666.40

Finding the Fourth Proportional to 197,903.20, 296,854.80 and 57,666.40

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Solution

The fourth proportional to 197,903.20, 296,854.80 and 57,666.40 is: 86,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,903.20 : 296,854.80 = 57,666.40 : x
  2. Step 2: Convert to fraction form
    197,903.20/296,854.80 = 57,666.40/x
  3. Step 3: Cross multiply
    197,903.20x = 296,854.80 × 57,666.40
  4. Step 4: Simplify right side
    197,903.20x = 17,118,547,638.72
  5. Step 5: Solve for x
    x = 17,118,547,638.72/197,903.20
  6. Step 6: Final answer
    x = 86,499.60

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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.