Home / 152,931.60-211,038.47-84,952.95

Finding the Fourth Proportional to 152,931.60, 211,038.47 and 84,952.95

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Solution

The fourth proportional to 152,931.60, 211,038.47 and 84,952.95 is: 117,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,931.60 : 211,038.47 = 84,952.95 : x
  2. Step 2: Convert to fraction form
    152,931.60/211,038.47 = 84,952.95/x
  3. Step 3: Cross multiply
    152,931.60x = 211,038.47 × 84,952.95
  4. Step 4: Simplify right side
    152,931.60x = 17,928,340,165.22
  5. Step 5: Solve for x
    x = 17,928,340,165.22/152,931.60
  6. Step 6: Final answer
    x = 117,231.10

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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.