Home / 190,851.70-286,277.55-120,810.10

Finding the Fourth Proportional to 190,851.70, 286,277.55 and 120,810.10

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Solution

The fourth proportional to 190,851.70, 286,277.55 and 120,810.10 is: 181,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,851.70 : 286,277.55 = 120,810.10 : x
  2. Step 2: Convert to fraction form
    190,851.70/286,277.55 = 120,810.10/x
  3. Step 3: Cross multiply
    190,851.70x = 286,277.55 × 120,810.10
  4. Step 4: Simplify right side
    190,851.70x = 34,585,219,443.26
  5. Step 5: Solve for x
    x = 34,585,219,443.26/190,851.70
  6. Step 6: Final answer
    x = 181,215.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.