Home / 213,426.90-294,526.53-117,931.55

Finding the Fourth Proportional to 213,426.90, 294,526.53 and 117,931.55

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Solution

The fourth proportional to 213,426.90, 294,526.53 and 117,931.55 is: 162,744.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,426.90 : 294,526.53 = 117,931.55 : x
  2. Step 2: Convert to fraction form
    213,426.90/294,526.53 = 117,931.55/x
  3. Step 3: Cross multiply
    213,426.90x = 294,526.53 × 117,931.55
  4. Step 4: Simplify right side
    213,426.90x = 34,733,968,726.39
  5. Step 5: Solve for x
    x = 34,733,968,726.39/213,426.90
  6. Step 6: Final answer
    x = 162,744.10

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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.