Home / 157,590.94-235,157.28-140,607.19

Finding the Fourth Proportional to 157,590.94, 235,157.28 and 140,607.19

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Solution

The fourth proportional to 157,590.94, 235,157.28 and 140,607.19 is: 209,814.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,590.94 : 235,157.28 = 140,607.19 : x
  2. Step 2: Convert to fraction form
    157,590.94/235,157.28 = 140,607.19/x
  3. Step 3: Cross multiply
    157,590.94x = 235,157.28 × 140,607.19
  4. Step 4: Simplify right side
    157,590.94x = 33,064,804,115.51
  5. Step 5: Solve for x
    x = 33,064,804,115.51/157,590.94
  6. Step 6: Final answer
    x = 209,814.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.