Home / 190,888.31-286,206.10-91,063.91

Finding the Fourth Proportional to 190,888.31, 286,206.10 and 91,063.91

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Solution

The fourth proportional to 190,888.31, 286,206.10 and 91,063.91 is: 136,535.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,888.31 : 286,206.10 = 91,063.91 : x
  2. Step 2: Convert to fraction form
    190,888.31/286,206.10 = 91,063.91/x
  3. Step 3: Cross multiply
    190,888.31x = 286,206.10 × 91,063.91
  4. Step 4: Simplify right side
    190,888.31x = 26,063,047,019.71
  5. Step 5: Solve for x
    x = 26,063,047,019.71/190,888.31
  6. Step 6: Final answer
    x = 136,535.58

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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.