Home / 211,378.60-291,547.92-134,950.24

Finding the Fourth Proportional to 211,378.60, 291,547.92 and 134,950.24

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Solution

The fourth proportional to 211,378.60, 291,547.92 and 134,950.24 is: 186,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,378.60 : 291,547.92 = 134,950.24 : x
  2. Step 2: Convert to fraction form
    211,378.60/291,547.92 = 134,950.24/x
  3. Step 3: Cross multiply
    211,378.60x = 291,547.92 × 134,950.24
  4. Step 4: Simplify right side
    211,378.60x = 39,344,461,775.50
  5. Step 5: Solve for x
    x = 39,344,461,775.50/211,378.60
  6. Step 6: Final answer
    x = 186,132.66

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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.