Home / 211,564.16-291,730.56-160,670.72

Finding the Fourth Proportional to 211,564.16, 291,730.56 and 160,670.72

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Solution

The fourth proportional to 211,564.16, 291,730.56 and 160,670.72 is: 221,552.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,564.16 : 291,730.56 = 160,670.72 : x
  2. Step 2: Convert to fraction form
    211,564.16/291,730.56 = 160,670.72/x
  3. Step 3: Cross multiply
    211,564.16x = 291,730.56 × 160,670.72
  4. Step 4: Simplify right side
    211,564.16x = 46,872,559,121.20
  5. Step 5: Solve for x
    x = 46,872,559,121.20/211,564.16
  6. Step 6: Final answer
    x = 221,552.46

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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.