Home / 319,316.32-440,646.42-176,082.40

Finding the Fourth Proportional to 319,316.32, 440,646.42 and 176,082.40

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Solution

The fourth proportional to 319,316.32, 440,646.42 and 176,082.40 is: 242,988.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,316.32 : 440,646.42 = 176,082.40 : x
  2. Step 2: Convert to fraction form
    319,316.32/440,646.42 = 176,082.40/x
  3. Step 3: Cross multiply
    319,316.32x = 440,646.42 × 176,082.40
  4. Step 4: Simplify right side
    319,316.32x = 77,590,079,185.01
  5. Step 5: Solve for x
    x = 77,590,079,185.01/319,316.32
  6. Step 6: Final answer
    x = 242,988.14

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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.