Home / 191,802.90-288,032.40-125,536.80

Finding the Fourth Proportional to 191,802.90, 288,032.40 and 125,536.80

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Solution

The fourth proportional to 191,802.90, 288,032.40 and 125,536.80 is: 188,519.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,802.90 : 288,032.40 = 125,536.80 : x
  2. Step 2: Convert to fraction form
    191,802.90/288,032.40 = 125,536.80/x
  3. Step 3: Cross multiply
    191,802.90x = 288,032.40 × 125,536.80
  4. Step 4: Simplify right side
    191,802.90x = 36,158,665,792.32
  5. Step 5: Solve for x
    x = 36,158,665,792.32/191,802.90
  6. Step 6: Final answer
    x = 188,519.91

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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.