Home / 141,547.61-195,337.06-77,886.77

Finding the Fourth Proportional to 141,547.61, 195,337.06 and 77,886.77

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Solution

The fourth proportional to 141,547.61, 195,337.06 and 77,886.77 is: 107,484.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,547.61 : 195,337.06 = 77,886.77 : x
  2. Step 2: Convert to fraction form
    141,547.61/195,337.06 = 77,886.77/x
  3. Step 3: Cross multiply
    141,547.61x = 195,337.06 × 77,886.77
  4. Step 4: Simplify right side
    141,547.61x = 15,214,172,700.72
  5. Step 5: Solve for x
    x = 15,214,172,700.72/141,547.61
  6. Step 6: Final answer
    x = 107,484.49

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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.