Home / 191,127.55-286,653.05-181,643.26

Finding the Fourth Proportional to 191,127.55, 286,653.05 and 181,643.26

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Solution

The fourth proportional to 191,127.55, 286,653.05 and 181,643.26 is: 272,428.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,127.55 : 286,653.05 = 181,643.26 : x
  2. Step 2: Convert to fraction form
    191,127.55/286,653.05 = 181,643.26/x
  3. Step 3: Cross multiply
    191,127.55x = 286,653.05 × 181,643.26
  4. Step 4: Simplify right side
    191,127.55x = 52,068,594,595.60
  5. Step 5: Solve for x
    x = 52,068,594,595.60/191,127.55
  6. Step 6: Final answer
    x = 272,428.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.