Home / 152,638.16-210,613.48-92,168.28

Finding the Fourth Proportional to 152,638.16, 210,613.48 and 92,168.28

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Solution

The fourth proportional to 152,638.16, 210,613.48 and 92,168.28 is: 127,175.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,638.16 : 210,613.48 = 92,168.28 : x
  2. Step 2: Convert to fraction form
    152,638.16/210,613.48 = 92,168.28/x
  3. Step 3: Cross multiply
    152,638.16x = 210,613.48 × 92,168.28
  4. Step 4: Simplify right side
    152,638.16x = 19,411,881,965.99
  5. Step 5: Solve for x
    x = 19,411,881,965.99/152,638.16
  6. Step 6: Final answer
    x = 127,175.82

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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.