Home / 211,394.60-291,570-134,966.24

Finding the Fourth Proportional to 211,394.60, 291,570 and 134,966.24

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Solution

The fourth proportional to 211,394.60, 291,570 and 134,966.24 is: 186,154.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,394.60 : 291,570 = 134,966.24 : x
  2. Step 2: Convert to fraction form
    211,394.60/291,570 = 134,966.24/x
  3. Step 3: Cross multiply
    211,394.60x = 291,570 × 134,966.24
  4. Step 4: Simplify right side
    211,394.60x = 39,352,106,596.80
  5. Step 5: Solve for x
    x = 39,352,106,596.80/211,394.60
  6. Step 6: Final answer
    x = 186,154.74

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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.