Home / 190,973.70-286,070.54-90,830.97

Finding the Fourth Proportional to 190,973.70, 286,070.54 and 90,830.97

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Solution

The fourth proportional to 190,973.70, 286,070.54 and 90,830.97 is: 136,060.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,973.70 : 286,070.54 = 90,830.97 : x
  2. Step 2: Convert to fraction form
    190,973.70/286,070.54 = 90,830.97/x
  3. Step 3: Cross multiply
    190,973.70x = 286,070.54 × 90,830.97
  4. Step 4: Simplify right side
    190,973.70x = 25,984,064,182.47
  5. Step 5: Solve for x
    x = 25,984,064,182.47/190,973.70
  6. Step 6: Final answer
    x = 136,060.96

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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.