Home / 211,116.50-291,343.93-115,632.10

Finding the Fourth Proportional to 211,116.50, 291,343.93 and 115,632.10

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Solution

The fourth proportional to 211,116.50, 291,343.93 and 115,632.10 is: 159,574.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,116.50 : 291,343.93 = 115,632.10 : x
  2. Step 2: Convert to fraction form
    211,116.50/291,343.93 = 115,632.10/x
  3. Step 3: Cross multiply
    211,116.50x = 291,343.93 × 115,632.10
  4. Step 4: Simplify right side
    211,116.50x = 33,688,710,448.15
  5. Step 5: Solve for x
    x = 33,688,710,448.15/211,116.50
  6. Step 6: Final answer
    x = 159,574.03

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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.