Home / 141,369.81-195,088.15-77,706.24

Finding the Fourth Proportional to 141,369.81, 195,088.15 and 77,706.24

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Solution

The fourth proportional to 141,369.81, 195,088.15 and 77,706.24 is: 107,233.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,369.81 : 195,088.15 = 77,706.24 : x
  2. Step 2: Convert to fraction form
    141,369.81/195,088.15 = 77,706.24/x
  3. Step 3: Cross multiply
    141,369.81x = 195,088.15 × 77,706.24
  4. Step 4: Simplify right side
    141,369.81x = 15,159,565,533.51
  5. Step 5: Solve for x
    x = 15,159,565,533.51/141,369.81
  6. Step 6: Final answer
    x = 107,233.40

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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.