Home / 152,613.57-210,617.51-84,637.05

Finding the Fourth Proportional to 152,613.57, 210,617.51 and 84,637.05

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Solution

The fourth proportional to 152,613.57, 210,617.51 and 84,637.05 is: 116,805.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,613.57 : 210,617.51 = 84,637.05 : x
  2. Step 2: Convert to fraction form
    152,613.57/210,617.51 = 84,637.05/x
  3. Step 3: Cross multiply
    152,613.57x = 210,617.51 × 84,637.05
  4. Step 4: Simplify right side
    152,613.57x = 17,826,044,936.34
  5. Step 5: Solve for x
    x = 17,826,044,936.34/152,613.57
  6. Step 6: Final answer
    x = 116,805.11

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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.