Home / 211,573.40-291,966.01-118,437.84

Finding the Fourth Proportional to 211,573.40, 291,966.01 and 118,437.84

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Solution

The fourth proportional to 211,573.40, 291,966.01 and 118,437.84 is: 163,441.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,573.40 : 291,966.01 = 118,437.84 : x
  2. Step 2: Convert to fraction form
    211,573.40/291,966.01 = 118,437.84/x
  3. Step 3: Cross multiply
    211,573.40x = 291,966.01 × 118,437.84
  4. Step 4: Simplify right side
    211,573.40x = 34,579,823,281.72
  5. Step 5: Solve for x
    x = 34,579,823,281.72/211,573.40
  6. Step 6: Final answer
    x = 163,441.26

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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.