Home / 211,549.79-291,933.63-116,055.65

Finding the Fourth Proportional to 211,549.79, 291,933.63 and 116,055.65

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Solution

The fourth proportional to 211,549.79, 291,933.63 and 116,055.65 is: 160,154.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,549.79 : 291,933.63 = 116,055.65 : x
  2. Step 2: Convert to fraction form
    211,549.79/291,933.63 = 116,055.65/x
  3. Step 3: Cross multiply
    211,549.79x = 291,933.63 × 116,055.65
  4. Step 4: Simplify right side
    211,549.79x = 33,880,545,726.84
  5. Step 5: Solve for x
    x = 33,880,545,726.84/211,549.79
  6. Step 6: Final answer
    x = 160,154.01

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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.