Home / 211,501.68-291,870.72-116,007.70

Finding the Fourth Proportional to 211,501.68, 291,870.72 and 116,007.70

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Solution

The fourth proportional to 211,501.68, 291,870.72 and 116,007.70 is: 160,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,501.68 : 291,870.72 = 116,007.70 : x
  2. Step 2: Convert to fraction form
    211,501.68/291,870.72 = 116,007.70/x
  3. Step 3: Cross multiply
    211,501.68x = 291,870.72 × 116,007.70
  4. Step 4: Simplify right side
    211,501.68x = 33,859,249,465.19
  5. Step 5: Solve for x
    x = 33,859,249,465.19/211,501.68
  6. Step 6: Final answer
    x = 160,089.74

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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.